root / lib / rapi / connector.py @ 936f3c59
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1 | 10b207d4 | Oleksiy Mishchenko | #
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2 | 10b207d4 | Oleksiy Mishchenko | #
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3 | 10b207d4 | Oleksiy Mishchenko | |
4 | 10b207d4 | Oleksiy Mishchenko | # Copyright (C) 2006, 2007, 2008 Google Inc.
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5 | 10b207d4 | Oleksiy Mishchenko | #
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6 | 10b207d4 | Oleksiy Mishchenko | # This program is free software; you can redistribute it and/or modify
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7 | 10b207d4 | Oleksiy Mishchenko | # it under the terms of the GNU General Public License as published by
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8 | 10b207d4 | Oleksiy Mishchenko | # the Free Software Foundation; either version 2 of the License, or
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9 | 10b207d4 | Oleksiy Mishchenko | # (at your option) any later version.
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10 | 10b207d4 | Oleksiy Mishchenko | #
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11 | 10b207d4 | Oleksiy Mishchenko | # This program is distributed in the hope that it will be useful, but
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12 | 10b207d4 | Oleksiy Mishchenko | # WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | 10b207d4 | Oleksiy Mishchenko | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | 10b207d4 | Oleksiy Mishchenko | # General Public License for more details.
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15 | 10b207d4 | Oleksiy Mishchenko | #
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16 | 10b207d4 | Oleksiy Mishchenko | # You should have received a copy of the GNU General Public License
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17 | 10b207d4 | Oleksiy Mishchenko | # along with this program; if not, write to the Free Software
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18 | 10b207d4 | Oleksiy Mishchenko | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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19 | 10b207d4 | Oleksiy Mishchenko | # 02110-1301, USA.
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20 | 10b207d4 | Oleksiy Mishchenko | |
21 | 10b207d4 | Oleksiy Mishchenko | """Remote API connection map.
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22 | 10b207d4 | Oleksiy Mishchenko |
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23 | 10b207d4 | Oleksiy Mishchenko | """
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24 | 10b207d4 | Oleksiy Mishchenko | |
25 | 10b207d4 | Oleksiy Mishchenko | import cgi |
26 | 10b207d4 | Oleksiy Mishchenko | import re |
27 | 10b207d4 | Oleksiy Mishchenko | |
28 | a2f92677 | Michael Hanselmann | from ganeti import constants |
29 | a2f92677 | Michael Hanselmann | from ganeti import http |
30 | 10b207d4 | Oleksiy Mishchenko | |
31 | a2f92677 | Michael Hanselmann | from ganeti.rapi import baserlib |
32 | 10b207d4 | Oleksiy Mishchenko | from ganeti.rapi import rlib2 |
33 | 10b207d4 | Oleksiy Mishchenko | |
34 | bf968b7f | Michael Hanselmann | |
35 | bf968b7f | Michael Hanselmann | _NAME_PATTERN = r"[\w\._-]+"
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36 | bf968b7f | Michael Hanselmann | |
37 | a2f92677 | Michael Hanselmann | # the connection map is created at the end of this file
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38 | 10b207d4 | Oleksiy Mishchenko | CONNECTOR = {} |
39 | 10b207d4 | Oleksiy Mishchenko | |
40 | 10b207d4 | Oleksiy Mishchenko | |
41 | 10b207d4 | Oleksiy Mishchenko | class Mapper: |
42 | 10b207d4 | Oleksiy Mishchenko | """Map resource to method.
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43 | 10b207d4 | Oleksiy Mishchenko |
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44 | 10b207d4 | Oleksiy Mishchenko | """
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45 | 10b207d4 | Oleksiy Mishchenko | def __init__(self, connector=CONNECTOR): |
46 | 10b207d4 | Oleksiy Mishchenko | """Resource mapper constructor.
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47 | 10b207d4 | Oleksiy Mishchenko |
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48 | c41eea6e | Iustin Pop | @param connector: a dictionary, mapping method name with URL path regexp
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49 | 10b207d4 | Oleksiy Mishchenko |
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50 | 10b207d4 | Oleksiy Mishchenko | """
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51 | 10b207d4 | Oleksiy Mishchenko | self._connector = connector
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52 | 10b207d4 | Oleksiy Mishchenko | |
53 | 10b207d4 | Oleksiy Mishchenko | def getController(self, uri): |
54 | 10b207d4 | Oleksiy Mishchenko | """Find method for a given URI.
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55 | 10b207d4 | Oleksiy Mishchenko |
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56 | c41eea6e | Iustin Pop | @param uri: string with URI
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57 | 10b207d4 | Oleksiy Mishchenko |
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58 | c41eea6e | Iustin Pop | @return: None if no method is found or a tuple containing
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59 | c41eea6e | Iustin Pop | the following fields:
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60 | c41eea6e | Iustin Pop | - method: name of method mapped to URI
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61 | c41eea6e | Iustin Pop | - items: a list of variable intems in the path
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62 | c41eea6e | Iustin Pop | - args: a dictionary with additional parameters from URL
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63 | 10b207d4 | Oleksiy Mishchenko |
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64 | 10b207d4 | Oleksiy Mishchenko | """
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65 | 10b207d4 | Oleksiy Mishchenko | if '?' in uri: |
66 | 10b207d4 | Oleksiy Mishchenko | (path, query) = uri.split('?', 1) |
67 | 10b207d4 | Oleksiy Mishchenko | args = cgi.parse_qs(query) |
68 | 10b207d4 | Oleksiy Mishchenko | else:
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69 | 10b207d4 | Oleksiy Mishchenko | path = uri |
70 | 10b207d4 | Oleksiy Mishchenko | query = None
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71 | 10b207d4 | Oleksiy Mishchenko | args = {} |
72 | 10b207d4 | Oleksiy Mishchenko | |
73 | 10b207d4 | Oleksiy Mishchenko | result = None
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74 | 10b207d4 | Oleksiy Mishchenko | |
75 | 10b207d4 | Oleksiy Mishchenko | for key, handler in self._connector.iteritems(): |
76 | 10b207d4 | Oleksiy Mishchenko | # Regex objects
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77 | 10b207d4 | Oleksiy Mishchenko | if hasattr(key, "match"): |
78 | 10b207d4 | Oleksiy Mishchenko | m = key.match(path) |
79 | 10b207d4 | Oleksiy Mishchenko | if m:
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80 | 10b207d4 | Oleksiy Mishchenko | result = (handler, list(m.groups()), args)
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81 | 10b207d4 | Oleksiy Mishchenko | break
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82 | 10b207d4 | Oleksiy Mishchenko | |
83 | 10b207d4 | Oleksiy Mishchenko | # String objects
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84 | 10b207d4 | Oleksiy Mishchenko | elif key == path:
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85 | 10b207d4 | Oleksiy Mishchenko | result = (handler, [], args) |
86 | 10b207d4 | Oleksiy Mishchenko | break
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87 | 10b207d4 | Oleksiy Mishchenko | |
88 | a0638838 | Oleksiy Mishchenko | if result:
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89 | 10b207d4 | Oleksiy Mishchenko | return result
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90 | 10b207d4 | Oleksiy Mishchenko | else:
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91 | 84f2756e | Michael Hanselmann | raise http.HttpNotFound()
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92 | 10b207d4 | Oleksiy Mishchenko | |
93 | 10b207d4 | Oleksiy Mishchenko | |
94 | 10b207d4 | Oleksiy Mishchenko | class R_root(baserlib.R_Generic): |
95 | 10b207d4 | Oleksiy Mishchenko | """/ resource.
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96 | 10b207d4 | Oleksiy Mishchenko |
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97 | 10b207d4 | Oleksiy Mishchenko | """
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98 | 10b207d4 | Oleksiy Mishchenko | def GET(self): |
99 | 10b207d4 | Oleksiy Mishchenko | """Show the list of mapped resources.
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100 | a2f92677 | Michael Hanselmann |
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101 | c41eea6e | Iustin Pop | @return: a dictionary with 'name' and 'uri' keys for each of them.
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102 | 10b207d4 | Oleksiy Mishchenko |
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103 | 10b207d4 | Oleksiy Mishchenko | """
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104 | 10b207d4 | Oleksiy Mishchenko | root_pattern = re.compile('^R_([a-zA-Z0-9]+)$')
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105 | 10b207d4 | Oleksiy Mishchenko | |
106 | 10b207d4 | Oleksiy Mishchenko | rootlist = [] |
107 | 10b207d4 | Oleksiy Mishchenko | for handler in CONNECTOR.values(): |
108 | 10b207d4 | Oleksiy Mishchenko | m = root_pattern.match(handler.__name__) |
109 | 10b207d4 | Oleksiy Mishchenko | if m:
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110 | 10b207d4 | Oleksiy Mishchenko | name = m.group(1)
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111 | 10b207d4 | Oleksiy Mishchenko | if name != 'root': |
112 | 10b207d4 | Oleksiy Mishchenko | rootlist.append(name) |
113 | 10b207d4 | Oleksiy Mishchenko | |
114 | 10b207d4 | Oleksiy Mishchenko | return baserlib.BuildUriList(rootlist, "/%s") |
115 | 10b207d4 | Oleksiy Mishchenko | |
116 | 10b207d4 | Oleksiy Mishchenko | |
117 | 69b99987 | Michael Hanselmann | def _getResources(id_): |
118 | fc72a3a3 | Oleksiy Mishchenko | """Return a list of resources underneath given id.
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119 | fc72a3a3 | Oleksiy Mishchenko |
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120 | fc72a3a3 | Oleksiy Mishchenko | This is to generalize querying of version resources lists.
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121 | fc72a3a3 | Oleksiy Mishchenko |
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122 | fc72a3a3 | Oleksiy Mishchenko | @return: a list of resources names.
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123 | fc72a3a3 | Oleksiy Mishchenko |
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124 | fc72a3a3 | Oleksiy Mishchenko | """
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125 | 69b99987 | Michael Hanselmann | r_pattern = re.compile('^R_%s_([a-zA-Z0-9]+)$' % id_)
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126 | fc72a3a3 | Oleksiy Mishchenko | |
127 | fc72a3a3 | Oleksiy Mishchenko | rlist = [] |
128 | fc72a3a3 | Oleksiy Mishchenko | for handler in CONNECTOR.values(): |
129 | fc72a3a3 | Oleksiy Mishchenko | m = r_pattern.match(handler.__name__) |
130 | fc72a3a3 | Oleksiy Mishchenko | if m:
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131 | fc72a3a3 | Oleksiy Mishchenko | name = m.group(1)
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132 | fc72a3a3 | Oleksiy Mishchenko | rlist.append(name) |
133 | fc72a3a3 | Oleksiy Mishchenko | |
134 | fc72a3a3 | Oleksiy Mishchenko | return rlist
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135 | fc72a3a3 | Oleksiy Mishchenko | |
136 | fc72a3a3 | Oleksiy Mishchenko | |
137 | fc72a3a3 | Oleksiy Mishchenko | class R_2(baserlib.R_Generic): |
138 | bf4a90af | Iustin Pop | """ /2 resource, the root of the version 2 API.
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139 | fc72a3a3 | Oleksiy Mishchenko |
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140 | fc72a3a3 | Oleksiy Mishchenko | """
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141 | fc72a3a3 | Oleksiy Mishchenko | def GET(self): |
142 | fc72a3a3 | Oleksiy Mishchenko | """Show the list of mapped resources.
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143 | fc72a3a3 | Oleksiy Mishchenko |
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144 | fc72a3a3 | Oleksiy Mishchenko | @return: a dictionary with 'name' and 'uri' keys for each of them.
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145 | fc72a3a3 | Oleksiy Mishchenko |
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146 | fc72a3a3 | Oleksiy Mishchenko | """
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147 | fc72a3a3 | Oleksiy Mishchenko | return baserlib.BuildUriList(_getResources("2"), "/2/%s") |
148 | fc72a3a3 | Oleksiy Mishchenko | |
149 | fc72a3a3 | Oleksiy Mishchenko | |
150 | bf968b7f | Michael Hanselmann | def GetHandlers(node_name_pattern, instance_name_pattern, job_id_pattern): |
151 | bf968b7f | Michael Hanselmann | """Returns all supported resources and their handlers.
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152 | bf968b7f | Michael Hanselmann |
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153 | bf968b7f | Michael Hanselmann | """
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154 | bf968b7f | Michael Hanselmann | return {
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155 | bf968b7f | Michael Hanselmann | "/": R_root,
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156 | bf968b7f | Michael Hanselmann | |
157 | bf968b7f | Michael Hanselmann | "/version": rlib2.R_version,
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158 | 10b207d4 | Oleksiy Mishchenko | |
159 | bf968b7f | Michael Hanselmann | "/2": R_2,
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160 | 10b207d4 | Oleksiy Mishchenko | |
161 | bf968b7f | Michael Hanselmann | "/2/nodes": rlib2.R_2_nodes,
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162 | bf968b7f | Michael Hanselmann | re.compile(r'^/2/nodes/(%s)$' % node_name_pattern):
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163 | bf968b7f | Michael Hanselmann | rlib2.R_2_nodes_name, |
164 | bf968b7f | Michael Hanselmann | re.compile(r'^/2/nodes/(%s)/tags$' % node_name_pattern):
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165 | bf968b7f | Michael Hanselmann | rlib2.R_2_nodes_name_tags, |
166 | bf968b7f | Michael Hanselmann | re.compile(r'^/2/nodes/(%s)/role$' % node_name_pattern):
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167 | bf968b7f | Michael Hanselmann | rlib2.R_2_nodes_name_role, |
168 | bf968b7f | Michael Hanselmann | re.compile(r'^/2/nodes/(%s)/evacuate$' % node_name_pattern):
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169 | 73452f12 | Michael Hanselmann | rlib2.R_2_nodes_name_evacuate, |
170 | bf968b7f | Michael Hanselmann | re.compile(r'^/2/nodes/(%s)/migrate$' % node_name_pattern):
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171 | 1c482bab | Michael Hanselmann | rlib2.R_2_nodes_name_migrate, |
172 | bf968b7f | Michael Hanselmann | re.compile(r'^/2/nodes/(%s)/storage$' % node_name_pattern):
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173 | 7a95a954 | Michael Hanselmann | rlib2.R_2_nodes_name_storage, |
174 | bf968b7f | Michael Hanselmann | re.compile(r'^/2/nodes/(%s)/storage/modify$' % node_name_pattern):
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175 | 1e82bc80 | Michael Hanselmann | rlib2.R_2_nodes_name_storage_modify, |
176 | bf968b7f | Michael Hanselmann | re.compile(r'^/2/nodes/(%s)/storage/repair$' % node_name_pattern):
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177 | 723f4565 | Michael Hanselmann | rlib2.R_2_nodes_name_storage_repair, |
178 | bf968b7f | Michael Hanselmann | |
179 | bf968b7f | Michael Hanselmann | "/2/instances": rlib2.R_2_instances,
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180 | bf968b7f | Michael Hanselmann | re.compile(r'^/2/instances/(%s)$' % instance_name_pattern):
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181 | bf968b7f | Michael Hanselmann | rlib2.R_2_instances_name, |
182 | bf968b7f | Michael Hanselmann | re.compile(r'^/2/instances/(%s)/info$' % instance_name_pattern):
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183 | d8260842 | Michael Hanselmann | rlib2.R_2_instances_name_info, |
184 | bf968b7f | Michael Hanselmann | re.compile(r'^/2/instances/(%s)/tags$' % instance_name_pattern):
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185 | bf968b7f | Michael Hanselmann | rlib2.R_2_instances_name_tags, |
186 | bf968b7f | Michael Hanselmann | re.compile(r'^/2/instances/(%s)/reboot$' % instance_name_pattern):
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187 | 2276aa29 | Oleksiy Mishchenko | rlib2.R_2_instances_name_reboot, |
188 | bf968b7f | Michael Hanselmann | re.compile(r'^/2/instances/(%s)/reinstall$' % instance_name_pattern):
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189 | e5b7c4ca | Iustin Pop | rlib2.R_2_instances_name_reinstall, |
190 | bf968b7f | Michael Hanselmann | re.compile(r'^/2/instances/(%s)/replace-disks$' % instance_name_pattern):
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191 | 4c98b915 | Michael Hanselmann | rlib2.R_2_instances_name_replace_disks, |
192 | bf968b7f | Michael Hanselmann | re.compile(r'^/2/instances/(%s)/shutdown$' % instance_name_pattern):
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193 | 0c55c24b | Oleksiy Mishchenko | rlib2.R_2_instances_name_shutdown, |
194 | bf968b7f | Michael Hanselmann | re.compile(r'^/2/instances/(%s)/startup$' % instance_name_pattern):
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195 | 0c55c24b | Oleksiy Mishchenko | rlib2.R_2_instances_name_startup, |
196 | bf968b7f | Michael Hanselmann | |
197 | bf968b7f | Michael Hanselmann | "/2/jobs": rlib2.R_2_jobs,
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198 | bf968b7f | Michael Hanselmann | re.compile(r'/2/jobs/(%s)$' % job_id_pattern):
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199 | bf968b7f | Michael Hanselmann | rlib2.R_2_jobs_id, |
200 | bf968b7f | Michael Hanselmann | |
201 | bf968b7f | Michael Hanselmann | "/2/tags": rlib2.R_2_tags,
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202 | bf968b7f | Michael Hanselmann | "/2/info": rlib2.R_2_info,
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203 | bf968b7f | Michael Hanselmann | "/2/os": rlib2.R_2_os,
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204 | 508e9b20 | Michael Hanselmann | "/2/redistribute-config": rlib2.R_2_redist_config,
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205 | bf968b7f | Michael Hanselmann | } |
206 | bf968b7f | Michael Hanselmann | |
207 | bf968b7f | Michael Hanselmann | |
208 | bf968b7f | Michael Hanselmann | CONNECTOR.update(GetHandlers(_NAME_PATTERN, _NAME_PATTERN, |
209 | bf968b7f | Michael Hanselmann | constants.JOB_ID_TEMPLATE)) |